Răspuns :
a+b+c=7351
b+c=5966
a=b-1066
a=7351-5966
a=1385
b=1385+1066
b=2451
c=5966-2451
c=3515
b+c=5966
a=b-1066
a=7351-5966
a=1385
b=1385+1066
b=2451
c=5966-2451
c=3515
A=7351-5966 A=1385 B=1385+1066 B=2451 si C=5966-2451 C=3515. 1385+2451+3515=7351